Openvpn 已连接,但互联网在 Kbuntu 20.04 中不起作用

Openvpn 已连接,但互联网在 Kbuntu 20.04 中不起作用

我连接到 Openvpn,但由于无法加载网页,我的互联网连接丢失。以下是一些详细信息。我使用 KDE 等离子桌面,问题仍然存在。

ip route(连接到 openvpn 之前)

169.254.0.0/16 dev enp0s31f6 scope link metric 1000 
192.168.0.0/24 dev enp0s31f6 proto kernel scope link src 192.168.0.221 metric 100 

ip route(连接到 openvpn 后)

default via 192.168.0.1 dev enp0s31f6 proto dhcp metric 100 
128.0.0.0/1 via 172.30.88.1 dev tun0 
141.52.8.20 via 192.168.0.1 dev enp0s31f6 
169.254.0.0/16 dev enp0s31f6 scope link metric 1000 
172.30.88.0/22 dev tun0 proto kernel scope link src 172.30.91.215 
192.168.0.0/24 dev enp0s31f6 proto kernel scope link src 192.168.0.221 metric 100

以下是连接到 openvpn 后的输出

traceroute 8.8.8.8

输出:

traceroute to 8.8.8.8 (8.8.8.8), 30 hops max, 60 byte packets
 1  172.30.88.1 (172.30.88.1)  59.462 ms  59.450 ms  59.447 ms
 2  141.52.3.129 (141.52.3.129)  59.438 ms  59.427 ms  59.440 ms
 3  129.13.36.1 (129.13.36.1)  59.378 ms  59.392 ms  59.377 ms
 4  141.52.249.254 (141.52.249.254)  64.566 ms  64.472 ms  64.497 ms
 5  141.52.249.226 (141.52.249.226)  64.894 ms 141.52.249.227 (141.52.249.227)  64.895 ms  64.883 ms
 6  193.197.63.6 (193.197.63.6)  66.476 ms  33.209 ms  34.324 ms
 7  129.143.60.115 (129.143.60.115)  36.969 ms  36.943 ms 188.1.144.222 (188.1.144.222)  48.418 ms
 8  209.85.172.242 (209.85.172.242)  51.037 ms  51.057 ms 142.250.162.80 (142.250.162.80)  41.897 ms
 9  * * 108.170.252.65 (108.170.252.65)  47.951 ms
10  8.8.8.8 (8.8.8.8)  46.857 ms  46.789 ms  47.315 ms
route -n
Kernel IP routing table
Destination     Gateway         Genmask         Flags Metric Ref    Use Iface
0.0.0.0         172.30.88.1     128.0.0.0       UG    0      0        0 tun0
0.0.0.0         192.168.0.1     0.0.0.0         UG    100    0        0 enp0s31f6
128.0.0.0       172.30.88.1     128.0.0.0       UG    0      0        0 tun0
141.52.8.20     192.168.0.1     255.255.255.255 UGH   0      0        0 enp0s31f6
169.254.0.0     0.0.0.0         255.255.0.0     U     1000   0        0 enp0s31f6
172.30.88.0     0.0.0.0         255.255.252.0   U     0      0        0 tun0
192.168.0.0     0.0.0.0         255.255.255.0   U     100    0        0 enp0s31f6

我已经尝试过这个 GNOME 解决方案https://askubuntu.com/a/713066/1095090,但我在网络管理器中看不到 openvpn 连接选项。我看到的只是互联网通过的有线网络(如果没有连接到 openvpn)

有人能建议如何解决 Kubuntu20.04 中的这个问题吗?几个月来一直在努力解决这个问题。谢谢

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